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Modeling and Design of CCHP System for Sharif Energy Research Institute

Rasekhi Kazerooni, Hussein | 2010

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 41550 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Sabbohi, Yadollah
  7. Abstract:
  8. The aim of the present research project has been techno-economical analysis of using a CCHP (Combined Cooling Heating and Power) technology at the building of Sharif Energy Research Institute (SERI). The CCHP at SERI is supposed to supply energy required at the building. Useful energy demand at the building include heating in winter, cooling and air conditioning in summer, lighting and power requirement of electric appliance and equipments. Since there are many technologies that could be utilized as CCHP, an optimal model of energy supply system of the building has been developed in order to identify the most appropriate technology. The application of model has enabled techno logical assessment of various technologies. The energy model has been developed on the basis of reference energy system (RES) of the building and it utilizes the Linear Programming (LP) technique. The objective function has been the present value of total costs of the energy supply system which include capital investment and annual operation costs. The results of the application of the model indicates that the most appropriate CCHP technology would be an internal combustion engine with a capacity 318 kW which should be combined with an absorption chiller of capacity 392 kW and direct fire absorption chiller with capacity of 40 kW. In addition to that storage system of hot and cold water with a capacity of 50 kWh is required in order to achieve high capacity factor of the technology. Upon conclusion of the optimum configuration of the CCHP technology, the conceptual design of the technology has been identified in order to complete the feasibility analysis. Therefore, the last part of the present thesis has been devoted to the description of the conceptual design of the system. It has been concluded that build up of combined internal combustion engine with an electric power capacity of 338 kW, an absorption chiller with a capacity of 325 kW and a direct fire absorption chiller with capacity of 125 kW would be appropriate systems for meeting the useful energy demand of the building. The thermal and effective efficiency of system is estimated to be 60% and 50% respectively
  9. Keywords:
  10. Linear Programming ; Energy Modeling ; System Design ; Energy Demand ; Combine Cooling Heating and Power (CCHP) ; Sharif Energy Research Institute

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